21000 SERIES RING AND BALL TEST UNITS

(click on picture to enlarge)

ASTM D36; E28; IP 58; EN 1427; BS 76; BS 2000 Part 58; BS 6043 Part 1; ISO 5940; NF T66-008; STPTC PT3

The 21000 Series provides simple equipment to determine the softening point of a sample using the ring and ball method.  A steel ball is placed upon a disc of sample contained within a metal ring. The assembly is heated in a bath, and the temperature taken when the sample softens enough to allow the ball to fall through the ring.

Comprises a two-ring holder, rectangular base plate, thermometer support plate and two support pillars.

21002-2 RING AND BALL TEST UNIT

As 21001-2 with a four-ring holder and a circular base plate.

As 21001-2 with a two-ring holder and a spectacle shaped base plate.

OPTIONAL

21140-0 SHOULDERED RING, 15 inch wire stem, pack of 3.
21141-0 SHOULDERED RING, (E28 & D36 only), pack of 10.
21142-0 STRAIGHT RING, pack of 10.
21143-0 TAPERED RING, pack of 10.
21144-0 BALL, 9.525mm diameter, 3.5 ±0.05g, pack of 30.
21145-0 BALL CENTRING GUIDE, (IP 58), pack of 3.
21160-2 BALL CENTRING GUIDE, (ASTM TYPE), pack of 3.
21161-0 BALL CENTRING GUIDE (IP TYPE), pack of 3.
21170-0 BEAKER, 800ml, borosilicate glass, for two and four-test units.
21180-0 HAND STIRRER PADDLE, alternative to 24600-0, pack of 3.
24500-0 SETA STEEL STAND, and rod, to support 24600-0.
24600-0 UNIVERSAL STIRRER
24640-0 STIRRER ROTOR, for 24600-0, stainless steel.
25000-2 SETA-HOT, 800W electric heater, with variable heat control
25300-0 MOULDING PLATE, accepts two rings.
99100-2 ANALYTICAL BALANCE